The Influence of Cracking on the Structural Properties of Asphalt Mixes

Abstract

This paper presents a field study complemented with laboratory results about a correlation between the observed cracking in an asphalt pavement and its structural properties. The obtained information is very useful to quantify the residual life of the pavement and to predict the time and type of the rehabilitation to be applied by the road agency. Based on field information and laboratory results, a pavement section was modelled. The moduli of the asphalt layer were then compared to reference values and cracking levels. The paper presents a brief description of the analyzed pavement, the field and laboratory results, the methodology used for the back-calculations, the obtained results for the modeled structure and some final conclusions. For the covering abstract see ITRD E118503.